Kanji Hosokawa

RIKENGREEN CO., LTD. engages in the sale of agricultural products and chemicals such as pesticides, fertilizers, soil conditioners, and grass planting materials. It operates through the following segments: Turf and Greens Professional Division, Specialty Chemicals, Landscaping and Greenery, and Others. The Turf and Greens Professional Division segment deals with the sale of afforestation materials for golf courses, highways, and rivers; and maintenance of golf courses. The Specialty Chemicals segment includes the sale of functional chemicals for paper companies. The Landscaping and Greenery segment provides landscaping, civil works, and green land management services. The Others segment composes of insurance agency, leasing, and food additive sales businesses. The company was founded on June 1, 1957 and is headquartered in Tokyo, Japan.

Part of Kumiai Chemical Industry Co., Ltd., Ihara Daiben KK is a Japanese company that produces and distributes pesticides and related products. The company is based in Shizuoka, Japan.

Part of Kumiai Chemical Industry Co., Ltd., Riken Maintenance Co., Ltd. is a maintenance company based in Shizuoka, JP. Riken Maintenance Co. has several branches located in different areas of Japan. The Japanese company provides various services such as car maintenance, inspection, and repair. The company also offers machinery and equipment maintenance services.

Part of Kumiai Chemical Industry Co., Ltd., Ryochi Sangyo KK is a Japanese company that wholesales drugs and fertilizers. The company is based in Shimonoseki, Japan.

Part of Kumiai Chemical Industry Co., Ltd., Chubu Riken KK operates as a golf club.